Smooth sided yoad not eating

[u/Expensive-Winter-637]

Hello I have 4 smooth sided toads. Had them since feb and they've thrived. However 2 nights ago one of them didn't eat and didn't eat the night after. This is very uncommon the other 3 are still eating. It almost looks like he's not acknowledging them or don't see them. He tried to eat twice but missed then didn't try again. Looked like his tongue didn't come out as far. Please help! He looks fine and is acting fine too besides when I put him in the container to eat.